This tutorial guide will help you to learn the basic commands and functions of Autodesk Inventor and AutoCAD. This book provides brief explanations and real-world examples to learn AutoCAD and Inventor. The part of this book covers Inventor basics such as modeling parts, creating assemblies, 2D drawings, sheet metal parts, assembly joints, and drawing annotations.The second part of this book covers basics of AutoCAD such as creating 2D drawings, modifying drawings, dimensions and annotations, blocks and external references, layouts and printing, and 3D basics.